CN112734621A - Image watermark safety processing method, device, equipment and storage medium - Google Patents
Image watermark safety processing method, device, equipment and storage medium Download PDFInfo
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Abstract
The invention discloses a method, a device, equipment and a storage medium for safely processing an image watermark, wherein the method comprises the following steps: receiving image data of an interface contained in a server and transmitted by the server, and obtaining an interface layer for realizing interface monitoring based on the image data; generating a watermark layer corresponding to the image data, and combining the watermark layer and the interface layer to obtain a combined layer; and performing local display and/or remote display on the merged image layer. Therefore, the application can provide the watermark with the safety protection function for the interface layer of the server, and further can warn relevant personnel to avoid information leakage caused by operations such as screenshot, and can trace back the information through the watermark when the information leakage occurs, so that the safety of monitoring the information of the used server interface is greatly improved.
Description
Technical Field
The present invention relates to the field of image processing technologies, and in particular, to a method, an apparatus, a device, and a storage medium for secure processing of an image watermark.
Background
The BMC (Baseboard management Controller) chip is used to collect various information on the server and provide the information to the upper layer operation and maintenance network management software. Specifically, the KVM service of the server transmits interface image data of the server to the BMC chip, performs corresponding processing, and then performs local display, or transmits the interface image data to a remote administrator through a network for observation. However, after the relevant personnel acquire the interface image data of the server, if operations including screenshot, photographing and the like are carried out on the interface image data which is partially sensitive to violation, information leakage may occur, and once the information leakage occurs, the tracing is difficult.
Disclosure of Invention
The invention aims to provide an image watermark safety processing method, device, equipment and storage medium, which can not only warn relevant personnel through watermarks so as to avoid information leakage caused by operations such as screenshot, but also trace back through the watermarks when the information leakage occurs, thereby greatly improving the safety of information of a server interface used for monitoring.
In order to achieve the above purpose, the invention provides the following technical scheme:
an image watermarking security processing method comprises the following steps:
receiving image data of an interface contained in a server and transmitted by the server, and obtaining an interface layer for realizing interface monitoring based on the image data;
generating a watermark layer corresponding to the image data, and combining the watermark layer and the interface layer to obtain a combined layer;
and performing local display and/or remote display on the merged image layer.
Preferably, generating the watermark layer corresponding to the image data includes:
and determining the security level of the image data, acquiring information corresponding to the security level as watermark information, and generating a watermark picture containing the watermark information as a watermark layer.
Preferably, the obtaining information corresponding to the security level is watermark information, and includes:
and if the security level is a low level, acquiring the current time and the security warning information as the information corresponding to the low level, and if the security level is a high level, acquiring the current time, the security warning information and the identification information of the user requesting to monitor the interface as the information corresponding to the high level.
Preferably, after generating the watermark image containing the watermark information as the watermark image layer, the method further includes:
acquiring setting information input by the outside or stored in advance, and setting the display angle and/or color and/or transparency and/or typeface of the watermark information in the watermark layer according to the setting information.
Preferably, before performing local display and/or remote display on the merged layer, the method further includes:
and judging whether a user requesting to monitor the interface currently has a monitoring authority, if so, executing a step of performing local display and/or remote display on the merged layer, and if not, refusing to display the merged layer.
Preferably, merging the watermark layer and the interface layer to obtain a merged layer includes:
repeatedly tiling the watermark layer to different positions on the interface layer, so that the watermark layer is tiled at each position in the interface layer; and the size of the watermark layer is smaller than that of the interface layer.
Preferably, after receiving the image data of the interface included in the server transmitted by the server, the method further includes:
judging whether the currently received image data is the same as any image data received before, if so, determining that the merged layer corresponding to any image data is the merged layer corresponding to the currently received image data, displaying and/or sending the merged layer corresponding to the currently received image data to a corresponding monitoring terminal, and otherwise, executing a step of obtaining an interface layer for realizing interface monitoring based on the image data based on the currently received image data.
An image watermarking security processing apparatus, comprising:
a receiving module to: receiving image data of an interface contained in a server and transmitted by the server, and obtaining an interface layer for realizing interface monitoring based on the image data;
a merging module to: generating a watermark layer corresponding to the image data, and combining the watermark layer and the interface layer to obtain a combined layer;
a display module to: and performing local display and/or remote display on the merged image layer.
An image watermarking security processing apparatus comprising:
a memory for storing a computer program;
a processor for implementing the steps of the image watermarking security processing method according to any one of the above items when the computer program is executed.
A computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the image watermarking security processing method according to any of the above.
The invention provides a method, a device, equipment and a storage medium for safely processing an image watermark, wherein the method comprises the following steps: receiving image data of an interface contained in a server and transmitted by the server, and obtaining an interface layer for realizing interface monitoring based on the image data; generating a watermark layer corresponding to the image data, and combining the watermark layer and the interface layer to obtain a combined layer; and performing local display and/or remote display on the merged image layer. According to the method and the device, after the image data of the server interface is received and the corresponding interface layer is obtained based on the image data, the watermark layer corresponding to the image data can be generated, the watermark layer and the interface layer are combined, and then the combined layer is displayed so as to realize corresponding interface monitoring. Therefore, the application can provide the watermark with the safety protection function for the interface layer of the server, and further can warn relevant personnel to avoid information leakage caused by operations such as screenshot, and can trace back the information through the watermark when the information leakage occurs, so that the safety of monitoring the information of the used server interface is greatly improved.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of a method for securely processing an image watermark according to an embodiment of the present invention;
fig. 2 is a diagram illustrating a watermark example of an image watermark security processing method according to an embodiment of the present invention;
fig. 3 is a diagram illustrating layer combination of an image watermarking security processing method according to an embodiment of the present invention;
fig. 4 is a functional block diagram of a secure processing method for image watermarking according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an image watermark security processing apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a flowchart of an image watermark security processing method according to an embodiment of the present invention is shown, where the method may include:
s11: and receiving image data of an interface contained in the server transmitted by the server, and obtaining an interface layer for realizing interface monitoring based on the image data.
An execution main body of the image watermark security processing method provided in the embodiment of the present invention may be a corresponding image watermark security processing device, and the image watermark security processing device may be disposed in a BMC chip, so that the execution main body of the image watermark security processing method may be a BMC chip, and the following description will specifically describe that the execution main body of the image watermark security processing method is a BMC chip. The BMC generally refers to a controller in a system, which is responsible for managing system hardware and monitoring information such as system hardware status (temperature, voltage, fan, etc.), and is commonly found in a device with high system requirement, such as a server; the KVM represents a Keyboard (Keyboard), a display (Video), and a Mouse (Mouse), that is, a group of the Keyboard, the display, and the Mouse are used to control a plurality of devices, which plays an important role in remote scheduling and monitoring.
Specifically, the BMC chip may collect various information on the server that needs to implement remote scheduling monitoring, and provide the information to the upper operation and maintenance Network Management software, and the information provided to the upper operation and maintenance Network Management software may mainly use two means, the first one provides various interfaces for the BMC chip to query the upper operation and maintenance Network Management software, such as a remote web Interface, a command line, and other human-machine interfaces, as well as SNMP (Simple Network Management Protocol), IPMI (Intelligent Platform Management Interface), Restful, and other machine interfaces; secondly, the BMC chip actively reports various information required to be provided for the upper-layer operation and maintenance network management software, for example, when the BMC chip detects that a fault occurs, the BMC chip can actively report the information to a server of the upper-layer operation and maintenance network management software, so that corresponding operation and maintenance personnel can timely identify and process the fault; the web interface access provided by the BMC chip is a KVM technology given to the server management, the web interface access can transmit a display interface, an operation process and the like of a remote server to a manager in a network mode, and the manager provides a remote, intuitive and convenient management interaction interface.
In addition, the server KVM service may transmit image data of the server interface to the BMC chip, where the image data may include data displayed on the server interface and data of a user operation process; the BMC chip may cache the image data after receiving the image data, and then perform different layer merging on the image data inside the BMC chip (for example, merge a user operation cursor layer and a server display interface layer) to obtain an interface layer of the monitored interface. Wherein, the image layers are like films containing elements such as characters or figures, and are stacked together in sequence to form the final effect of the page; each layer may be composed of many pixels (text, pictures, tables, plug-ins, etc.), and the layers compose the entire image by being superimposed one on top of the other, which may be referred to as merging.
S12: and generating a watermark layer corresponding to the image data, and combining the watermark layer and the interface layer to obtain a combined layer.
After the BMC chip obtains the interface layer of the server interface, in order to improve the security of the interface layer, a watermark layer with a protection information attribute may be generated, and then the watermark layer is involved in a merging operation of the merged layer, that is, the watermark layer is merged with the interface layer, so that the interface layer has a watermark containing protection information. The watermark can embed specific protection information into the image so as to realize the property protection of the image, and the watermark layer is a layer containing the watermark.
S13: and carrying out local display and/or remote display on the merged layer.
After the merged layer is obtained, local display of the merged layer can be performed in the BMC chip, or the merged layer can be compressed and then transmitted to a remote terminal through a network for display, so that a corresponding administrator can observe the merged layer conveniently.
According to the method and the device, after the image data of the server interface is received and the corresponding interface layer is obtained based on the image data, the watermark layer corresponding to the image data can be generated, the watermark layer and the interface layer are combined, and then the combined layer is displayed so as to realize corresponding interface monitoring. Therefore, the application can provide the watermark with the safety protection function for the interface layer of the server, and further can warn relevant personnel to avoid information leakage caused by operations such as screenshot, and can trace back the information through the watermark when the information leakage occurs, so that the safety of monitoring the information of the used server interface is greatly improved.
The image watermark security processing method provided by the embodiment of the invention generates the watermark layer corresponding to the image data, and may include:
and determining the security level of the image data, acquiring information corresponding to the security level as watermark information, and generating a watermark picture containing the watermark information as a watermark layer.
The method and the device for generating the watermark image layer can generate the corresponding watermark image layer according to the security requirement when the watermark image layer is generated, specifically, different security levels can be preset for image data at different moments, or different security levels can be preset for image data with different contents, or different security levels can be set for different image data based on other principles, the security level set for the image data is the security level corresponding to the security requirement of the image data, and the different security levels correspond to different watermark information, so that when the watermark image layer corresponding to the image data is generated, the security level corresponding to the image data can be determined in advance, the watermark information corresponding to the security level can be obtained, and a watermark picture containing the watermark information can be generated to serve as the watermark image layer. In addition, the method and the device for adding the watermark information to the interface layer can be realized in a BMC chip without participation of a server side or a web side, so that the watermark information can be added with high safety attribute.
The image watermark security processing method provided by the embodiment of the invention acquires information corresponding to the security level as watermark information, and may include:
and if the security level is a low level, acquiring the current time and the security warning information as information corresponding to the low level, and if the security level is a high level, acquiring the current time, the security warning information and identification information of a user requesting a monitoring interface as information corresponding to the high level.
In a specific implementation manner, for a low level with a lower security requirement, the present application may acquire current time and security warning information (such as "confidential connection" and other characters) as information that needs to be included in the watermark picture, and for a high level with a higher security requirement, may acquire current time, security warning information, and identification information of a user requesting a monitoring interface (that is, identification information of a user remotely connected to the BMC chip, such as a user name and an IP) as information that needs to be included in the watermark picture, thereby implementing effective acquisition of watermark information at different security levels. Of course, other arrangements according to actual needs are within the protection scope of the present invention.
The image watermark security processing method provided by the embodiment of the invention, after generating the watermark image containing the watermark information as the watermark image layer, may further include:
and acquiring setting information input by the outside or stored in advance, and setting the display angle and/or color and/or transparency and/or typeface of the watermark information in the watermark layer according to the setting information.
When the watermark picture is generated, the watermark information in the watermark picture can be set to be displayed according to different angles, colors, transparencies, typefaces and the like, as shown in fig. 2; and the setting information used when setting the display of the watermark information in the watermark picture can be input in advance by external personnel and stored in the BMC chip, or can be input by the external personnel in real time according to the current actual requirement, so that the display of the information in the watermark picture can better meet the requirements of the external personnel, and the setting is flexible and convenient.
The image watermark security processing method provided by the embodiment of the invention may further include, before performing local display and/or remote display on the merged image layer:
and judging whether a user requesting a monitoring interface currently has monitoring authority, if so, executing a step of carrying out local display and/or remote display on the merged layer, and if not, refusing to display the merged layer.
In order to further ensure the security of the information of the server interface, the method and the device for obtaining the information of the server interface can manage and control the user requesting to obtain the information of the server interface, and specifically can judge whether the user currently requesting to obtain the information of the server interface has corresponding monitoring authority (for example, whether a user name, a password and the like of the user are preset user names and passwords), if so, the merged layer is displayed, and otherwise, the merged layer is refused to be displayed. In addition, the KVM service of the server may also require the user to log in using a user name, password, etc., thereby protecting the information of the server to some extent.
The image watermark security processing method provided by the embodiment of the present invention is a method for merging a watermark layer and an interface layer to obtain a merged layer, and the method may include:
repeatedly tiling the watermark layer to different positions on the interface layer so that each position in the interface layer is tiled with the watermark layer; and the size of the watermark layer is smaller than that of the interface layer.
In order to reduce occupation of hardware resources in the BMC chip, the size of the generated watermark picture can be controlled to be kept at 64x64 or 128x 128; because the size of the interface layer is large, the watermark layer can be repeatedly laid on the interface layer, and finally the watermark layer can cover all the interface layers, as shown in fig. 3 (the KVM interface layer is the interface layer), so that the interface layer does not include the positions where the watermark layers are not laid, and the watermark layers on the interface layer do not overlap with each other.
The image watermark security processing method provided by the embodiment of the invention, after receiving the image data of the interface included in the server transmitted by the server, may further include:
judging whether the currently received image data is the same as any image data received before, if so, determining that the merged layer corresponding to any image data is the merged layer corresponding to the currently received image data, displaying and/or sending the merged layer corresponding to the currently received image data to a corresponding monitoring terminal, and otherwise, executing a step of obtaining an interface layer for realizing interface monitoring based on the image data based on the currently received image data.
If the content of the server interface does not change within a period of time (for example, the content is paused in the video playing process), the content of the server interface may be called a fixedly displayed picture, and at this time, after a merged layer corresponding to the fixedly displayed picture is obtained, the merged layer may be stored; therefore, when the merged layer corresponding to the content of the server interface needs to be acquired again, if the content of the server interface is a fixedly displayed picture and no change occurs since the corresponding merged layer is generated last time, the merged layer does not need to be generated again, and the stored merged layer corresponding to the fixedly displayed picture is directly acquired as the latest merged layer to be displayed, so that the workload of the BMC chip can be effectively reduced.
It should be noted that, in the embodiment of the present application, the BMC chip may generate the watermark layer in a hardware manner (e.g., a digital circuit), and has higher reliability compared with a software manner.
Fig. 4 is a functional block diagram of an image watermark security processing method according to an embodiment of the present invention, where an interface image is image data transported by a server, a cache interface is used to implement image caching (that is, caching of the image data), watermark generation is to generate a watermark layer, layer merging is to obtain an interface layer through merging and merge the interface layer and the watermark layer, local display is to display a merged layer obtained through merging, and image compression and network transmission are to compress the merged layer and transmit the compressed layer to a remote end through a network for display. The method and the device enhance the safety of the display interface and the operation interface of the server in a hardware mode, and provide a basis for tracing when the related information of the server is leaked by adding watermark information with various safety level requirements in an interface layer.
An embodiment of the present invention further provides an image watermark security processing apparatus, as shown in fig. 5, which specifically includes:
a receiving module 11, configured to: receiving image data of an interface contained in a server transmitted by the server, and obtaining an interface layer for realizing interface monitoring based on the image data;
a merging module 12 configured to: generating a watermark layer corresponding to the image data, and combining the watermark layer and the interface layer to obtain a combined layer;
a display module 13 for: and carrying out local display and/or remote display on the merged layer.
In an image watermark security processing apparatus provided in an embodiment of the present invention, a merging module may include:
a generating unit configured to: and determining the security level of the image data, acquiring information corresponding to the security level as watermark information, and generating a watermark picture containing the watermark information as a watermark layer.
In an image watermark security processing apparatus provided in an embodiment of the present invention, a generating unit may include:
an acquisition unit configured to: and if the security level is a low level, acquiring the current time and the security warning information as information corresponding to the low level, and if the security level is a high level, acquiring the current time, the security warning information and identification information of a user requesting a monitoring interface as information corresponding to the high level.
The image watermark security processing device provided by the embodiment of the invention can further comprise:
a setup module to: after a watermark picture containing watermark information is generated as a watermark layer, setting information input from the outside or stored in advance is acquired, and the display angle and/or color and/or transparency and/or typeface of the watermark information in the watermark layer are set according to the setting information.
The image watermark security processing device provided by the embodiment of the invention can further comprise:
a first determining module, configured to: before the merged layer is locally displayed and/or remotely displayed, whether a user requesting a monitoring interface currently has monitoring authority or not is judged, if yes, a display module is instructed to execute the step of locally displaying and/or remotely displaying the merged layer, and if not, the merged layer is refused to be displayed.
In an image watermark security processing apparatus provided in an embodiment of the present invention, a merging module may include:
a merging unit for: repeatedly tiling the watermark layer to different positions on the interface layer so that each position in the interface layer is tiled with the watermark layer; and the size of the watermark layer is smaller than that of the interface layer.
The image watermark security processing device provided by the embodiment of the invention can further comprise:
a second determination module configured to: after receiving image data of an interface contained in a server transmitted by the server, judging whether the currently received image data is the same as any image data received before, if so, determining that a merged layer corresponding to any image data is the merged layer corresponding to the currently received image data, displaying and/or sending the merged layer corresponding to the currently received image data to a corresponding monitoring terminal, and otherwise, instructing a receiving module to execute a step of obtaining the interface layer for realizing interface monitoring based on the image data based on the currently received image data.
An embodiment of the present invention further provides an image watermark security processing apparatus, which may include:
a memory for storing a computer program;
a processor for implementing the steps of the image watermarking security processing method according to any one of the above methods when the computer program is executed.
The embodiment of the invention also provides a computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when being executed by a processor, the computer program realizes the steps of the image watermark security processing method.
It should be noted that, for the description of the relevant parts in the image watermark security processing apparatus, the device and the storage medium provided in the embodiment of the present invention, reference is made to the detailed description of the corresponding parts in the image watermark security processing method provided in the embodiment of the present invention, and details are not repeated herein. In addition, parts of the above technical solutions provided in the embodiments of the present invention that are consistent with the implementation principles of the corresponding technical solutions in the prior art are not described in detail, so as to avoid redundant description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An image watermarking security processing method is characterized by comprising the following steps:
receiving image data of an interface contained in a server and transmitted by the server, and obtaining an interface layer for realizing interface monitoring based on the image data;
generating a watermark layer corresponding to the image data, and combining the watermark layer and the interface layer to obtain a combined layer;
and performing local display and/or remote display on the merged image layer.
2. The method of claim 1, wherein generating a watermark layer corresponding to the image data comprises:
and determining the security level of the image data, acquiring information corresponding to the security level as watermark information, and generating a watermark picture containing the watermark information as a watermark layer.
3. The method of claim 2, wherein obtaining the information corresponding to the security level as watermark information comprises:
and if the security level is a low level, acquiring the current time and the security warning information as the information corresponding to the low level, and if the security level is a high level, acquiring the current time, the security warning information and the identification information of the user requesting to monitor the interface as the information corresponding to the high level.
4. The method according to claim 3, wherein after generating the watermark picture containing the watermark information as a watermark layer, the method further comprises:
acquiring setting information input by the outside or stored in advance, and setting the display angle and/or color and/or transparency and/or typeface of the watermark information in the watermark layer according to the setting information.
5. The method according to claim 4, wherein before performing local display and/or remote display on the merged image layer, the method further comprises:
and judging whether a user requesting to monitor the interface currently has a monitoring authority, if so, executing a step of performing local display and/or remote display on the merged layer, and if not, refusing to display the merged layer.
6. The method according to claim 5, wherein merging the watermark layer and the interface layer to obtain a merged layer comprises:
repeatedly tiling the watermark layer to different positions on the interface layer, so that the watermark layer is tiled at each position in the interface layer; and the size of the watermark layer is smaller than that of the interface layer.
7. The method according to any one of claims 1 to 6, wherein after receiving the image data of the interface included in the server transmitted by the server, the method further comprises:
judging whether the currently received image data is the same as any image data received before, if so, determining that the merged layer corresponding to any image data is the merged layer corresponding to the currently received image data, displaying and/or sending the merged layer corresponding to the currently received image data to a corresponding monitoring terminal, and otherwise, executing a step of obtaining an interface layer for realizing interface monitoring based on the image data based on the currently received image data.
8. An image watermarking security processing apparatus, comprising:
a receiving module to: receiving image data of an interface contained in a server and transmitted by the server, and obtaining an interface layer for realizing interface monitoring based on the image data;
a merging module to: generating a watermark layer corresponding to the image data, and combining the watermark layer and the interface layer to obtain a combined layer;
a display module to: and performing local display and/or remote display on the merged image layer.
9. An image watermarking security processing apparatus, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the image watermarking security processing method according to any one of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the steps of the image watermarking security processing method according to any one of claims 1 to 7.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113407286A (en) * | 2021-06-29 | 2021-09-17 | 北京字节跳动网络技术有限公司 | Server remote management method and device |
| CN113554546A (en) * | 2021-07-30 | 2021-10-26 | 北京东方国信科技股份有限公司 | Watermark drawing method and device |
| CN116109469A (en) * | 2023-04-12 | 2023-05-12 | 山东云海国创云计算装备产业创新中心有限公司 | Baseboard management controller, image display method, device and computer medium |
| CN116957893A (en) * | 2023-06-26 | 2023-10-27 | 海易科技(北京)有限公司 | Watermark generation method, watermark generation device, electronic device and computer readable medium |
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2021
- 2021-01-15 CN CN202110057785.6A patent/CN112734621A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113407286A (en) * | 2021-06-29 | 2021-09-17 | 北京字节跳动网络技术有限公司 | Server remote management method and device |
| CN113407286B (en) * | 2021-06-29 | 2024-04-09 | 北京字节跳动网络技术有限公司 | Remote management method and device for server |
| CN113554546A (en) * | 2021-07-30 | 2021-10-26 | 北京东方国信科技股份有限公司 | Watermark drawing method and device |
| CN116109469A (en) * | 2023-04-12 | 2023-05-12 | 山东云海国创云计算装备产业创新中心有限公司 | Baseboard management controller, image display method, device and computer medium |
| CN116957893A (en) * | 2023-06-26 | 2023-10-27 | 海易科技(北京)有限公司 | Watermark generation method, watermark generation device, electronic device and computer readable medium |
| CN116957893B (en) * | 2023-06-26 | 2024-04-16 | 海易科技(北京)有限公司 | Watermark generation method, watermark generation device, electronic device and computer readable medium |
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Application publication date: 20210430 |